UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 21 APR 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1011 5 0.0 -2.7 82 2.7 -1.0 270 3 272.3 272.8 271.5 280.7 3.09 1 1000 92 -0.9 -4.2 78 3.3 -2.1 285 3 272.2 272.7 271.1 279.9 2.80 2 925 708 -5.7 -12.7 58 7.0 -7.7 290 7 273.5 273.7 269.8 277.9 1.55 3 904 887 -7.3 -16.3 49 9.0 -9.5 289 8 273.6 273.8 269.3 277.0 1.18 4 850 1363 -11.7 -19.7 51 8.0 -13.4 285 11 273.9 274.0 269.1 276.6 0.94 5 700 2816 -24.1 -28.1 69 4.0 -24.6 270 13 275.8 275.9 269.5 277.4 0.54 6 625 3633 -29.9 -32.9 75 3.0 -30.2 263 28 278.2 278.3 270.8 279.4 0.38 7 615 3748 -30.9 -34.0 74 3.1 -31.2 262 30 278.4 278.4 270.8 279.5 0.35 8 588 4068 -29.5 -34.1 64 4.6 -30.0 260 36 283.6 283.7 273.9 284.8 0.36 9 500 5210 -35.9 -48.9 25 13.0 -36.5 250 58 289.3 289.3 276.5 289.6 0.09 10 485 5422 -37.5 -49.5 28 12.0 -38.1 251 61 289.8 289.8 276.7 290.1 0.09 11 400 6740 -43.3 -57.3 20 14.0 -43.7 255 79 298.7 298.7 280.8 298.9 0.04 12 377 7136 -44.5 -58.5 20 14.0 -44.9 260 79 302.2 302.2 282.3 302.4 0.04 13 342 7785 -44.4 -58.8 19 14.4 -44.9 260 81 310.9 310.9 285.7 311.0 0.04 14 300 8660 -44.3 -59.3 17 15.0 -44.8 260 64 322.9 322.9 289.7 323.1 0.04 15 257 9703 -42.7 -59.7 14 17.0 -43.4 273 52 339.9 339.9 294.3 340.1 0.05 16 250 9890 -43.1 -60.1 14 17.0 -43.8 275 50 342.0 342.0 294.8 342.2 0.05 17 200 11380 -46.5 -64.5 11 18.0 -47.1 280 42 359.1 359.1 298.5 359.3 0.03 18 172 12375 -48.5 -66.5 11 18.0 -49.1 277 34 371.7 371.7 300.9 371.8 0.03 19 150 13280 -45.9 -64.9 10 19.0 -46.8 275 27 391.0 391.0 304.0 391.2 0.04 20 149 13325 -45.1 -64.1 10 19.0 -46.1 275 27 393.1 393.1 304.3 393.3 0.05 21 100 15950 -50.9 -69.9 9 19.0 -51.7 285 25 429.4 429.4 308.8 429.5 0.03 22 86 16939 -48.9 -68.9 8 20.0 -50.0 293 25 452.3 452.4 311.1 452.6 0.04 23 73 18008 -52.7 -71.7 8 19.0 -53.5 303 25 466.0 466.0 312.3 466.2 0.03 24 70 18280 -52.1 -72.1 7 20.0 -53.1 305 25 472.9 472.9 312.9 473.1 0.03 25 50 20450 -52.5 -72.5 7 20.0 -53.7 305 23 519.8 519.8 316.3 520.0 0.04 26 38 22215 -54.7 -73.7 8 19.0 -55.9 556.6 556.6 318.5 556.9 0.05 TRP 377 7136 -44.5 -58.5 20 14.0 -44.9 260 79 302.2 302.2 282.3 302.4 0.04 WND 342 7785 -44.4 -58.8 19 14.4 -44.9 260 81 310.9 310.9 285.7 311.0 0.04 Sounding variables and indices 1000-500 mb thick: 5118.00 m Freezing level: 1011.00 mb = 4.62 m = 15.14 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 59.60 % Est. max temperature: 1.55 C = 34.79 F Sfc-Lift cond lev (LCL): 969.20 mb = 339.20 m = 1112.86 ft T: -2.83 C 700-500 lapse rate: 4.93 C/km ThetaE index: 4.08 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 878.69 mb = 1106.67 m = 3630.77 ft Mean mixing ratio: 2.15 g/kg Conv temperature: 1.47 C = 34.65 F Cap Strength: 5.05 C Lifted Index: 8.93 C Risk: None Lifted Index @300 mb: 31.27 C Lifted Index @700 mb: -0.57 C Showalter Index: 10.66 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 16.20 C K Index: 0.50 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.94 J/kg Max Up Vert Vel: 6.77 m/s Conv Inhibition (B-): 14.04 J/kg Cap Strength: 8.92 C Lift Cond Lev (LCL): 890.26 mb = 1005.65 m = 3299.35 ft Lev Free Conv (LFC): 825.26 mb = 1584.08 m = 5197.03 ft Equ Level (EL): 655.26 mb = 3292.44 m = 10801.84 ft B at Equ Level: 22.14 J/kg Max Parcel Lev (MPL): 605.26 mb = 3861.86 m = 12669.99 ft Wind level data Storm motion: 287 at 21 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1011 5 270 3 3.0 -0.0 | 110 18 -16.8 6.0 1 1000 92 285 3 2.9 -0.8 | 107 18 -16.9 5.3 2 925 708 290 7 6.6 -2.4 | 105 14 -13.2 3.7 3 850 1363 285 11 10.6 -2.8 | 109 10 -9.1 3.2 4 700 2816 270 13 13.0 -0.0 | 132 9 -6.8 6.0 5 500 5210 250 58 54.5 19.8 | 233 43 34.7 25.9 6 400 6740 255 79 76.3 20.4 | 245 62 56.6 26.5 7 377 7136 260 79 77.8 13.7 | 251 61 58.0 19.8 8 342 7785 260 81 79.8 14.1 | 251 63 60.0 20.1 9 300 8660 260 64 63.0 11.1 | 248 47 43.3 17.2 10 250 9890 275 50 49.8 -4.4 | 267 30 30.1 1.7 11 200 11380 280 42 41.4 -7.3 | 273 22 21.6 -1.2 12 150 13280 275 27 26.9 -2.4 | 243 8 7.1 3.7 13 100 15950 285 25 24.1 -6.5 | 276 4 4.4 -0.4 14 70 18280 305 25 20.5 -14.3 | 355 8 0.7 -8.3 15 50 20450 305 23 18.8 -13.2 | 7 7 -0.9 -7.1 Wind Parameters Mean winds (0-6000m): 257.0 at 27.5 knts Storm direction: 287.0 at 20.7 knts Shear (0-3000m) pos: 0.5 neg: 1.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 43.8 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -5.5 tot: 11.8 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.30 Bulk Shear: 76.45 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 286 4 107 17| 3.1 0.0 3.1| 0.0 -4.6 -4.6 -9.2 -0.29| 3.5 -1.0 1000 288 6 107 15| 1.5 1.6 3.1| 0.7 -5.5 -4.8 -4.8 -0.16| 3.4 -0.5 1500 287 7 107 13| 1.0 1.9 2.9| 3.0 -5.5 -2.6 -1.7 -0.02| 3.1 -0.1 2000 285 8 109 12| 0.8 1.6 2.4| 5.8 -5.5 0.3 0.1 0.09| 2.7 0.2 2500 282 9 111 12| 0.6 1.5 2.1| 8.9 -5.5 3.4 1.3 0.19| 2.4 0.5 3000 279 10 114 11| 0.5 1.9 2.5| 17.3 -5.5 11.8 3.9 0.38| 2.8 1.1 4000 271 14 134 8| 0.4 3.9 4.3| 49.0 -5.5 43.4 10.9 0.52| 4.5 2.4 5000 262 20 183 9| 0.3 5.1 5.4| 57.2 -8.6 48.6 9.7 0.35| 5.7 2.0 6000 257 28 210 14| 0.8 4.9 5.8|127.5 -13.5 114.0 19.0 0.35| 6.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250421.12.gif